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lbvjy [14]
3 years ago
6

The value of photosynthetically active radiation above which no further increase in photosynthesis occurs is referred to as:

Biology
1 answer:
makkiz [27]3 years ago
6 0
The right answer is <span>the light saturation point.

More light usually results in higher photosynthesis levels. However, with the increase of the intensity of the light, the photosynthesis rate eventually reaches a maximum point. This point is called "luminous saturation point".

When this point is reached, the intensity of the light does not increase the rate of photosynthesis and the rate of photosynthesis curve ceases to increase.
</span>
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I what are two reasons for a species<br> become threatened or endangered?
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Answer:

Explanation: Loss of habitat (destruction) and loss of genetic variation. Another reason could include hunting.

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sergejj [24]

Answer:50%

Explanation:

Yes.

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In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal
Lera25 [3.4K]

Answer:

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is  Bbff

Genotype fo Bill having red hair and six fingers  when his mother had five fingers is bbFf

Bbff * bbFf

Bf         bf         Bf         bf

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0
3 years ago
Match the definitions with the terms
Kruka [31]

Answer AND Explanation:

  1. homozygous
  2. recessive
  3. heterozygous
  4. alleles
  5. dorminant
4 0
3 years ago
The tendency of an organism to maintain a stable internal environment is called?
sergeinik [125]
The tendency is called homeostasis 
5 0
3 years ago
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